The aim of this study was to investigate anatomical variations in the digastric muscle. Anatomical dissections of the head and neck region were performed in 15 cadavers at the Anatomy Department during a gross anatomy course. Three cadaver heads revealed anatomical variations in the anterior belly of the digastric muscle. The positional relationships among the accessory muscle bundles, the anterior belly of the digastric muscle, and the mylohyoid muscle were examined. Innervating branches from the mylohyoid nerve were also investigated. The remaining 12 cadaver heads without accessory muscle bundles were used for comparison. Of the three heads with accessory muscle bundles, one head (male) had two muscle bundles of the unilateral type, one head (male) had symmetrical muscle bundles of the crossover type, and one head (female) had a mix of unilateral and crossover types. The likely explanation for these and various other anomalies reported in the literature is the complex morphogenesis of the first branchial arch. Therefore, clinicians should be aware of these anatomical variations of the submental region when performing surgical procedures involving the head and neck and when using computed tomography and magnetic resonance imaging for interpretation or differential diagnosis of neck masses.
机构:
West Liberty Univ, Dept Nat Sci & Math, West Liberty, WV USA
West Liberty Univ, Dept Grad Hlth Sci, West Liberty, WV USAWest Liberty Univ, Dept Nat Sci & Math, West Liberty, WV USA
Zdilla, Matthew J.
Swearingen, Jordan V.
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West Virginia Univ, Dept Neurobiol & Anat, Sch Med, Morgantown, WV USAWest Liberty Univ, Dept Nat Sci & Math, West Liberty, WV USA
Swearingen, Jordan V.
Miller, Kyle D.
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机构:
West Virginia Univ, Dept Neurobiol & Anat, Sch Med, Morgantown, WV USAWest Liberty Univ, Dept Nat Sci & Math, West Liberty, WV USA
Miller, Kyle D.
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Bender-Heine, Adam
Lambert, H. Wayne
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机构:
West Virginia Univ, Dept Neurobiol & Anat, Sch Med, Morgantown, WV USAWest Liberty Univ, Dept Nat Sci & Math, West Liberty, WV USA
机构:
Univ La Frontera, Fac Med, Ctr Excellence Surg & Morphol Res CEMyQ, Temuco, Chile
Univ La Frontera, Fac Dent, Appl Morphol Res Ctr CIMA, Temuco, ChileUniv La Frontera, Fac Med, Ctr Excellence Surg & Morphol Res CEMyQ, Temuco, Chile
Alves, Nilton
Torres-Villar, Carlos
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Univ San Sebastian, Fac Med & Sci, Dept Morphol Sci, Lago Panguipulli 1390, Puerto Montt 5501842, Chile
Univ La Frontera, Doctoral Program Morphol Sci, Temuco, ChileUniv La Frontera, Fac Med, Ctr Excellence Surg & Morphol Res CEMyQ, Temuco, Chile
Torres-Villar, Carlos
de Sousa-Rodrigues, Celio Fernando
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机构:
Univ Fed Alagoas, Inst Biol & Hlth Sci, Maceio, BrazilUniv La Frontera, Fac Med, Ctr Excellence Surg & Morphol Res CEMyQ, Temuco, Chile
de Sousa-Rodrigues, Celio Fernando
Deana, Naira Figueiredo
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Univ La Frontera, Doctoral Program Morphol Sci, Temuco, Chile
Univ La Frontera, Fac Dent, Dept Pediat Dent & Orthodont, Temuco, Chile
Univ La Frontera, Fac Dent, Ctr Res Epidemiol Econ & Oral Publ Hlth CIEESPO, Temuco, Chile
Univ La Frontera, Fac Dent, 1145 Francisco Salazar Ave,POB 54-D, Temuco 4780000, ChileUniv La Frontera, Fac Med, Ctr Excellence Surg & Morphol Res CEMyQ, Temuco, Chile
Deana, Naira Figueiredo
INTERNATIONAL JOURNAL OF MORPHOLOGY,
2023,
41
(06):
: 1620
-
1624